1948 ⟶ World Health Organization Founded
April 7: The World Health Organization (WHO) founded.Year
1927
1948
1974
1980
1992
2011
🌍 World Population Reaches Two Billion
World population reaches two billion.⟶

DemographicsPopulation GrowthGlobal HistoryIndustrial RevolutionPublic HealthMortality RatesHumanity
⚕️ World Health Organization Founded
April 7: The World Health Organization (WHO) founded.⟶

Public HealthInternational CooperationGlobal HealthUnited NationsMedical AdvancementOrganizations
🌎 World Population Reaches Four Billion
World population reaches four billion.⟶

DemographicsPopulation GrowthOverpopulationResource ScarcityDeveloping WorldGlobal ImpactSustainability
💉 World Health Organization Announces Smallpox Eradication
May 8: WHO announces the eradication of smallpox.⟶

Public HealthDisease EradicationVaccinationWorld Health OrganizationGlobal HealthMedical AdvancementInfectious DiseasesSmallpox
🌊 First World Oceans Day Celebrated
June 8: The first World Oceans Day is celebrated, coinciding with the Earth Summit held in Rio de Janeiro, Brazil.⟶

EnvironmentalismUnited NationsSustainabilityConservationInternational Cooperation

🌍 World Population Reaches 7 Billion

Population GrowthDemographicsOverpopulationSustainabilitySocial ChangeResource Management